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- Publisher Website: 10.1364/OL.37.002112
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- PMID: 22660138
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Article: Unidirectional and wavelength-selective photonic sphere-array nanoantennas
Title | Unidirectional and wavelength-selective photonic sphere-array nanoantennas |
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Authors | |
Keywords | Design Principles Dipole resonances Fano resonances Geometric configurations Metallic loss Nanoantennas Optical wavelength Photon detection Plasmonic Wavelength selectivity Working principles |
Issue Date | 2012 |
Publisher | Optical Society of America. The Journal's web site is located at http://www.opticsinfobase.org/current.cfm?journal=3 |
Citation | Optics Letters, 2012, v. 37 n. 11, p. 2112-2114 How to Cite? |
Abstract | We design a photonic sphere-array nanoantenna (NA) exhibiting both strong directionality and wavelength selectivity. Although the geometric configuration of the photonic NA resembles a plasmonic Yagi-Uda NA, it has different working principles and, most importantly, reduces the inherent metallic loss from plasmonic elements. For any selected optical wavelength, a sharp Fano resonance by the reflector is tunable to overlap spectrally with a wider dipole resonance by the sphere-chain director, leading to high directionality. This Letter provides design principles for directional and selective photonic NAs, which are particularly useful for photon detection and spontaneous emission manipulation. © 2012 Optical Society of America. |
Persistent Identifier | http://hdl.handle.net/10722/164011 |
ISSN | 2023 Impact Factor: 3.1 2023 SCImago Journal Rankings: 1.040 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Liu, Y | en_US |
dc.contributor.author | Choy, WCH | en_US |
dc.contributor.author | Sha, W | en_US |
dc.contributor.author | Chew, WC | en_US |
dc.date.accessioned | 2012-09-20T07:54:46Z | - |
dc.date.available | 2012-09-20T07:54:46Z | - |
dc.date.issued | 2012 | en_US |
dc.identifier.citation | Optics Letters, 2012, v. 37 n. 11, p. 2112-2114 | en_US |
dc.identifier.issn | 0146-9592 | - |
dc.identifier.uri | http://hdl.handle.net/10722/164011 | - |
dc.description.abstract | We design a photonic sphere-array nanoantenna (NA) exhibiting both strong directionality and wavelength selectivity. Although the geometric configuration of the photonic NA resembles a plasmonic Yagi-Uda NA, it has different working principles and, most importantly, reduces the inherent metallic loss from plasmonic elements. For any selected optical wavelength, a sharp Fano resonance by the reflector is tunable to overlap spectrally with a wider dipole resonance by the sphere-chain director, leading to high directionality. This Letter provides design principles for directional and selective photonic NAs, which are particularly useful for photon detection and spontaneous emission manipulation. © 2012 Optical Society of America. | - |
dc.language | eng | en_US |
dc.publisher | Optical Society of America. The Journal's web site is located at http://www.opticsinfobase.org/current.cfm?journal=3 | - |
dc.relation.ispartof | Optics Letters | en_US |
dc.rights | Optics Letters. Copyright © Optical Society of America | - |
dc.rights | This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-37-11-2112. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. | - |
dc.subject | Design Principles | - |
dc.subject | Dipole resonances | - |
dc.subject | Fano resonances | - |
dc.subject | Geometric configurations | - |
dc.subject | Metallic loss | - |
dc.subject | Nanoantennas | - |
dc.subject | Optical wavelength | - |
dc.subject | Photon detection | - |
dc.subject | Plasmonic | - |
dc.subject | Wavelength selectivity | - |
dc.subject | Working principles | - |
dc.title | Unidirectional and wavelength-selective photonic sphere-array nanoantennas | en_US |
dc.type | Article | en_US |
dc.identifier.email | Choy, WCH: chchoy@eee.hku.hk | en_US |
dc.identifier.email | Sha, W: shawei@hku.hk | en_US |
dc.identifier.email | Chew, WC: wcchew@hku.hk | en_US |
dc.identifier.authority | Choy, WCH=rp00218 | en_US |
dc.identifier.authority | Sha, W=rp01605 | en_US |
dc.identifier.authority | Chew, WC=rp00656 | en_US |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1364/OL.37.002112 | - |
dc.identifier.pmid | 22660138 | - |
dc.identifier.scopus | eid_2-s2.0-84863690779 | - |
dc.identifier.hkuros | 207963 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-84863690779&selection=ref&src=s&origin=recordpage | - |
dc.identifier.volume | 37 | en_US |
dc.identifier.issue | 11 | - |
dc.identifier.spage | 2112 | en_US |
dc.identifier.epage | 2114 | en_US |
dc.identifier.isi | WOS:000305085000112 | - |
dc.publisher.place | United States | - |
dc.identifier.scopusauthorid | Liu, YG=36600546900 | - |
dc.identifier.scopusauthorid | Choy, WCH=55307457900 | - |
dc.identifier.scopusauthorid | Sha, WEI=34267903200 | - |
dc.identifier.scopusauthorid | Chew, WC=36014436300 | - |
dc.identifier.issnl | 0146-9592 | - |